Charging a BMW 330e at home with a standard 3 pin plug takes about 3 hours.

Charging using a home charging point takes only 2 hours.

BMW 330e can only charge with a 3.7kW chargepoint so cannot take advantage of the 7kW charging speed, but the 7kW option can future-proofing your home for your next plug-in vehicle (while the government grant is still available)